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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 19. Отображено 19.
11-01-2018 дата публикации

SYSTEM AND METHOD FOR DETECTING DAMAGE OF TARGET OBJECT

Номер: KR101817543B1
Автор: PARK GYU HAE, JEON, JUN YOUNG, KANG, TO, HAN, SOON WOO
Принадлежит: INDUSTRY FOUNDATION OF CHONNAM NATIONAL UNIVERSITY, KOREA ATOMIC ENERGY RESEARCH INSTITUTE

Provided are a system and a method for detecting damage to a target object. The system for detecting damage to a target object according to one embodiment of the present invention comprises: a pattern generating portion for randomly determining a scanning line to generate a random scanning pattern; a scanning portion for scanning a target object according to the random scanning pattern to obtain scanning data; a recovery portion for recovering the scanning data to obtain image data of the target object; and an image processing portion for visualizing damage to the target object based on the image data, thereby capable of more quickly and precisely detecting damage to the target object by measuring a smaller amount of data compared to that of a prior art. COPYRIGHT KIPO 2018 (102) Pattern generation portion (104) Scanning portion (106) Recovering portion (108) Image processing portion ...

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Номер записи: 1
05-02-2016 дата публикации

PIPE LEAKAGE DETECTION METHOD OF PIPE LEAKAGE DETECTION SYSTEM USING IMAGE

Номер: KR101590467B1
Автор: SON, KI SUNG, JEON, HYEONG SEOP, KIM, SE OH, PARK, JIN HO, HAN, SOON WOO, CHAE, GYUNG SUN, PARK, BYEONG MOK, SHIN, KYOUNG UK, KANG, HEE JU, JUNG, DO YEONG, PARK, JAE SEOK
Принадлежит: SAE-AN ENGINEERING CORPORATION

The present invention relates to a pipe leakage detection method of a pipe leakage detection system using an image. The purpose of the present invention is to provide accurately the pipe leakage detection method detecting a pipe leakage in real-time using the image captured by a camera; and a configuration, in accordance with the pipe leakage detection method of a pipe leakage detection system using the image, including a histogram analysis step comprising: a histogram difference value calculation step of calculating a histogram difference value (f2) between a brightness value histogram (h1) of a reference image and a brightness value histogram (h2) of a comparison image; and a leakage region analysis step of analyzing whether or not there is a leakage region where coordinates calculated through a ′-′ value of the histogram, and coordinates calculated through a ′+′ value are overlapped. COPYRIGHT KIPO 2016 (AA) Start (BB) End (S100) Obtaining a continuous image (S200) Calculating a reference ...

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Номер записи: 2
07-08-2017 дата публикации

SYSTEM TO MEASURE WIDTH OF STRUCTURE USING WAVENUMBER FILTER TECHNIQUE, AND MEASURING METHOD THEREOF

Номер: KR101764706B1
Автор: KANG, TO, HAN, SOON WOO, PARK, JIN HO, LEE, JEONG HAN, PARK, GYU HAE, JEON, JUN YOUNG
Принадлежит: KOREA ATOMIC ENERGY RESEARCH INSTITUTE

The present invention relates to a system to measure a width of a structure using a local wavenumber filter technique, comprising: (S100) a step of transmitting continuous excitation to a structure to be measured; (S200) a step of scanning vibrations generated from the structure in step (S100); (S300) a collection step of measuring a vibration signal scanned in step (S200); and (S400) a step of analyzing the vibration signal measured in the collection step (S300) using a local wavenumber filtering technique, and measuring a width of the structure. Accordingly, the present invention aims to effectively shorten a long scanning time in terms of quantifying and providing a position, size, and depth of a defect included in a structure. COPYRIGHT KIPO 2017 (AA) Planar structure ...

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Номер записи: 3
08-07-2015 дата публикации

VIBRATING DEVICE FOR NON-DESTRUCTIVE TEST USING CONTINUOUS WAVE LASER BEAM, AND NON-DESTRUCTIVE TEST DEVICE AND NON-DESTRUCTIVE TEST METHOD USING SAME

Номер: KR1020150079087A
Автор: KANG, TO, HAN, SOON WOO, YOON, DOO BYUNG, PARK, JIN HO
Принадлежит:

The present invention relates to a vibrating device for non-destructive test using a continuous wave laser beam and a non-destructive test device using the same, capable of optically modulating a continuous wave laser beam into a tone-burst waveform having a specific frequency and pulse length of a narrow band frequency area to radiate the laser beam to a subject (210), and evaluating soundness through a signal, reflected from the subject (210), to accurately test a signal in a time area without processing a signal in a frequency area. The vibrating device includes a laser generating part (110) generating a continuous wave laser beam to be radiated to the subject (210); and an optical modulator (120) vibrating the subject (210) by optically modulating the continuous wave laser beam, generated from the laser generating part (110), into the tone-burst waveform having the specific frequency and pulse length. COPYRIGHT KIPO 2015 (A1,A2) Time (120) Optical modulator ...

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Номер записи: 4
04-09-2015 дата публикации

APPARATUS AND METHOD FOR MEASURING NONLINEAR PARAMETER BASED ON LASER

Номер: KR1020150101557A
Автор: KANG, TO, PARK, JIN HO, YOON, DOO BYUNG, HAN, SOON WOO, LEE, JANG SOO
Принадлежит:

The present invention relates to an apparatus and method for measuring a nonlinear parameter based on a laser. More specifically, the present invention provides the apparatus and method for measuring a nonlinear parameter based on a laser in which a noncontact laser excites an object by irradiating a laser of a toneburst signal, measures the displacement using the interferometer principle after receiving displacement information occurred on a surface of the object depending on the time by irradiating a laser beam for measurement on the surface of the object, measures the size of a basic frequency component (A1) and the size of a second harmonic wave component (A2) by bandpass filtering the measured signal, and thereby determines a nonlinear parameter. COPYRIGHT KIPO 2015 (10) Object (100) Vibrating unit (200) Reception unit (300) Component measurement unit ...

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Номер записи: 5
03-06-2015 дата публикации

METHOD FOR ESTIMATING LEAKAGE POSITION OF BURIED PIPE USING MODE SEPARATION TECHNIQUE

Номер: KR101525329B1
Автор: YOON, DOO BYUNG, PARK, JIN HO, HAN, SOON WOO, KANG, TO
Принадлежит: KOREA ATOMIC ENERGY RESEARCH INSTITUTE

The present invention relates to a method for detecting a leakage position of a buried pipe using a mode separation technique. More specifically, the method for detecting a leakage position of a buried pipe using a mode separation technique comprises the steps of: sensing leakage vibration waves by a sensor positioned on one side of a buried pipe; separating the leakage vibration waves into propagation components for each mode according to frequency components of the leakage vibration waves; calculating an arrival time difference (Δt_01) of propagation components for each mode at the sensing position of the leakage vibration waves by using a cross-correlation function; and estimating a leakage point from the sensing position of each leakage vibration wave by using the arrival time difference of the propagation components for each mode. In other words, the invention is to provide a method for estimating a leakage position of a buried pipe using a mode separation technique in which, at the ...

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Номер записи: 6
28-02-2018 дата публикации

SENSOR STRUCTURE, AND DEVICE AND METHOD FOR MONITORING WALL THINNING OF PIPE INCLUDING SAME

Номер: KR101833371B1
Автор: YOON, DOO BYUNG, PARK, JIN HO, MOON, SOON SUNG, HAN, SOON WOO, KANG, TO
Принадлежит: KOREA ATOMIC ENERGY RESEARCH INSTITUTE

A sensor structure is provided. The sensor structure is installed on the same circumference as a point of a vibration wave being generated in a pipe, and is configured to monitor whether the pipe is wall-thinned in a state where there is no additional power supply. To this end, the sensor structure of the present invention includes: a sensing portion for measuring the vibration wave of the circumferential direction, propagating along the circumferential direction of the pipe, among the vibration waves; and a determination portion for determining whether a vibration frequency of the vibration wave of the circumferential direction measured by the sensing portion matches a predetermined resonance frequency so as to determine whether the pipe is wall-thinned. COPYRIGHT KIPO 2018 ...

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Номер записи: 7
08-01-2016 дата публикации

METHOD FOR ACQUIRING IMAGE FOR MEASUREMENT OBJECT IN MEASURING VIBRATION DISPLACEMENT USING CAMERA IMAGE AND IMAGE PHOTOGRAPHING ASSIST DEVICE THEREOF

Номер: KR1020160002458A
Автор: SON, KI SUNG, JEON, HYEONG SEOP, KIM, SE OH, PARK, JIN HO, HAN, SOON WOO, CHAE, GYUNG SUN, PARK, BYEONG MOK, SHIN, KYOUNG UK, KANG, HEE JU, JUNG, DO YEONG, PARK, JAE SEOK
Принадлежит:

The present invention relates to a method for acquiring an image for a measurement object in measuring vibration displacement using a camera image and an image photographing assist device thereof. The purpose of the present invention is to remarkably improve a measurement resolution by minimizing the size of a pixel for forming an image when the image is photographed using a camera having the same resolution in a step of acquiring the image. The configuration of the present invention comprises an image photographing step of photographing an image with an successive mode by moving the camera in a vibration displacement direction of a measurement object; an image synthesis step of synthesizing images successively photographed by a successive photographing mode as one image; and a diameter and pixel size determining step of determining the diameter and the pixel size of the measurement object based on the image synthesized by the image synthesis step. COPYRIGHT KIPO 2016 (S110) Image photographing ...

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Номер записи: 8
08-08-2016 дата публикации

연속성 레이저를 이용한 비파괴 검사용 가진장치와 이를 이용한 비파괴 검사장치 및 비파괴 검사방법

Номер: KR0101646046B1
Автор: 강토, 한순우, 윤두병, 박진호
Принадлежит: 한국원자력연구원

... 본 발명은 연속성 레이저광을 광변조하여 협대역주파수 영역의 특정 주파수와 펄스 길이를 갖는 톤-버스트 파형으로 변조하여 피시험체(210)에 조사하고, 상기 피시험체(210)로부터 반사된 신호를 통해 건전성을 평가하여 주파수 영역의 신호 처리 없이도 시간 영역의 신호를 정확히 검사할 수 있는 연속성 레이저를 이용한 비파괴 검사용 가진장치 및 이를 이용한 비파괴 검사장치에 관한 것으로, 상기 피시험체(210)에 조사하기 위한 연속성(CONTINUOUS WAVE) 레이저광을 발생시키는 레이저 발생부(110) 및 상기 레이저 발생부(110)로부터 발생된 연속성 레이저광을 특정 주파수와 펄스 길이를 갖는 톤버스트 파형으로 광변조하여 상기 피시험체(210)를 가진시키는 광변조기(120)를 포함하는 연속성 레이저를 이용한 비파괴 검사용 가진장치 및 피파괴 검사장치가 제공된다.

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Номер записи: 9
13-02-2017 дата публикации

레이저 기반 비선형인자 측정 장치 및 방법

Номер: KR0101700139B1
Автор: 강토, 박진호, 윤두병, 한순우, 이장수
Принадлежит: 한국원자력연구원

... 본 발명은 레이저 기반 비선형인자 측정 장치 및 방법에 관한 것으로서, 보다 상세하게는 비접촉식 레이저가 톤버스트(Toneburst) 신호의 레이저를 물체의 표면에 조사하여 물체를 가진하고, 물체의 표면에 측정용 레이저 빔을 조사하여 시간에 따라 상기 물체 표면에 발생되는 변위정보를 수신한 후 이 변위를 간섭계 원리로 측정하고 측정된 신호를 밴드패스 필터링하여 기본주파수의 성분의 크기(A1)와 이차고조파의 성분의 크기(A2)를 측정함으로써, 비선형인자를 산정하기 위한 레이저 기반 비선형인자 측정 장치 및 방법을 제공한다.

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Номер записи: 10
04-05-2017 дата публикации

METHOD AND APPARATUS TO ESTIMATE AXIAL EXTENT OF CRACKS IN PIPES USING DIFFERENTIAL SIGNAL

Номер: KR101731895B1
Автор: KANG, TO, HAN, SOON WOO, PARK, JIN HO, YOON, DOO BYUNG
Принадлежит: KOREA ATOMIC ENERGY RESEARCH INSTITUTE

The present invention relates to a method and an apparatus to estimate an axial extent of cracks in pipes using a differential signal. More specifically, the method and apparatus to estimate the axial extent of cracks in pipes using differential signal separates a signal reflected by cracks and returned into a signal at a starting point of the cracks and a signal at a final point of cracks; calculates a time difference between arrivals of two signals; and estimates an axial extent of cracks in pipes. Specifically, by using a standard signal even when an axial extent is less than 1λ, the present invention is able to estimate an extent with great preciseness. COPYRIGHT KIPO 2017 (100) Ultrasonic sensor (200) Signal processing unit (300) Length estimation unit ...

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Номер записи: 11
13-12-2016 дата публикации

카메라 이미지를 이용한 진동변위 측정 시 측정대상체에 대한 영상취득을 위한 영상촬영보조장치

Номер: KR0101680122B1
Автор: 손기성, 전형섭, 김세오, 박진호, 한순우, 채경선, 박병목, 신경욱, 강희주, 정도영, 박재석
Принадлежит: 세안기술 주식회사

... 본 발명은 카메라 이미지를 이용한 진동변위 측정 시 측정대상체에 대한 영상취득방법 및 영상촬영보조장치에 관한 것으로, 그 목적은 영상취득단계 시에 동일한 해상도를 갖는 카메라를 사용하여 촬영하더라도 이미지를 형성하는 픽셀의 크기를 최대한 작게하여 측정해상도를 현저히 향상시킬 수 있도록 하는 것이며, 그 구성은 측정대상체의 진동변위 방향으로 카메라를 이동시키며 연속모드로 영상을 촬영하는 영상촬영단계와; 연속모드로 촬영된 각각의 영상들을 하나의 영상으로 합성하는 영상합성단계와; 상기 영상합성단계를 통해 합성된 이미지에 의거 측정대상체의 직경 및 픽셀의 크기를 결정하는 측정대상물의 직경 및 픽셀크기 결정단계로 구성되는 것을 특징으로 한다. 이 발명을 지원한 국가연구개발사업과제고유번호 20131020102420지원부처명 : 산업통상자원부연구사업명 : 에너지기술개발연구과제명 : 카메라를 이용한 실시간 누설/진동 감시시스템 개발총연구기간 2013.12.01 2016.09.30주관기관 : 세안기술(주) ...

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Номер записи: 12
01-02-2019 дата публикации

굴곡 구조를 포함하는 대상체의 손상 검출 시스템 및 방법

Номер: KR1020190011160A
Автор: 전준영, 김두환, 박규해, 강토, 한순우, 이정한, 박진호
Принадлежит:

... 굴곡 구조를 포함하는 대상체의 손상 검출 시스템 및 방법이 제공된다. 본 발명의 일 실시예에 따른 대상체의 손상 검출 시스템은 굴곡 구조를 포함하는 대상체의 손상 검출 시스템으로서, 상기 대상체의 굴곡 구조에 관한 정보를 이용하여 복수 개의 스캐닝 포인트(scanning point)를 설정하는 전처리부; 상기 대상체의 표면을 가진(加振)하고, 스캐닝 장치를 이용하여 각 스캐닝 포인트에 따라 상기 대상체의 표면을 스캐닝하는 스캐닝부; 및 상기 스캐닝에 따라 획득되는 영상 데이터를 기반으로 상기 대상체의 손상을 가시화하는 영상 처리부를 포함한다.

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Номер записи: 13
01-02-2019 дата публикации

대상체의 손상 두께 예측 시스템 및 방법

Номер: KR1020190011167A
Автор: 김두환, 전준영, 박규해, 강토, 한순우, 이정한, 박진호
Принадлежит:

... 대상체의 손상 두께 예측 시스템 및 방법이 제공된다. 본 발명의 일 실시예에 따른 대상체의 손상 두께 예측 시스템은, 대상체의 표면을 가진(加振)하고, 스캐닝 장치를 이용하여 설정된 각 스캐닝 포인트에 따라 상기 대상체의 표면을 스캐닝하는 스캐닝부; 및 상기 스캐닝에 따라 획득되는 영상 데이터를 복수 개의 영역으로 분할하고, 분할된 각 영역을 파수 도메인(wavenumber domain)으로 변환하며, 분할된 각 영역에 대한 대표 파수(dominant wavenumber)를 계산하고, 상기 대표 파수를 상기 대표 파수에 대응되는 영역에 각각 매핑시킴으로써 상기 대상체의 손상을 가시화하는 영상 처리부를 포함한다.

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Номер записи: 14
13-06-2017 дата публикации

MASS ESTIMATION APPARATUS FOR MONITORING STRUCTURAL INTEGRITY OF NUCLEAR REACTOR AND METHOD THEREOF

Номер: KR101746101B1
Автор: SHIN, SUNG HWAN, PARK, JIN HO, YOON, DOO BYUNG, HAN, SOON WOO, KANG, TO
Принадлежит: KOOKMIN UNIVERSITY INDUSTRY ACADEMY COOPERATION FOUNDATION, KOREA ATOMIC ENERGY RESEARCH INSTITUTE

The present invention relates to a mass estimation apparatus for monitoring the structural integrity of a nuclear reactor and a method thereof. The mass estimation apparatus measures impact signals generated by impurities in the nuclear reactor extracts features therefrom and applies the extracted features to a statistical diagnosis method to estimate the mass for enhancing safety and operation efficiency of a nuclear power plant. The mass estimation apparatus includes: an impact signal measuring and acceleration power spectral density (APSD) calculation unit which calculates the APSD of impact signals as well as measuring impact signals; a discrete cosine transform (DCT) coefficient extracting and determining unit which extracts DCT coefficients for simulating the form of the APSD of impact signals and determines an optimal number thereof to define feature vectors to be utilized as input variables of a probability-based diagnosis technique; a codebook writing unit for writing codebooks ...

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Номер записи: 15
08-07-2015 дата публикации

DEVICE AND METHOD TO INSPECT PIPE WALL-THINNING

Номер: KR1020150078894A
Автор: HAN, SOON WOO, YOON, DOO BYUNG, PARK, JIN HO, KIM, HONG PYO
Принадлежит:

According to the present invention, disclosed are a device and a method to inspect pipe wall-thinning, capable of determining a wall-thinning degree of a pipe by measuring the natural frequency of the pipe. The present invention is capable of quickly identifying a wall-thinning degree of a pipe by including a striking member (10) striking a pipe (T) to be measured; a vibration measuring sensor (20) measuring a natural frequency, generated from the pipe (T) by the striking of the striking member (10); and a control part (30) determining the wall-thinning degree of the pipe (T) by comparing the natural frequency, measured by the vibration measuring sensor (20), to a natural frequency, generated from a normal pipe without wall-thinning. COPYRIGHT KIPO 2015 ...

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Номер записи: 16
15-05-2017 дата публикации

APPARATUS AND METHOD FOR VISUALIZING IMPACT PHENOMENON BY METAL FOREIGN MATERIAL

Номер: KR101734837B1
Автор: KANG, TO, HAN, SOON WOO, PARK, JIN HO, YOON, DOO BYUNG
Принадлежит: KOREA ATOMIC ENERGY RESEARCH INSTITUTE

The present invention relates to an apparatus and a method for visualizing an impact phenomenon by a metal foreign material, and more particularly, to an apparatus for visualizing an impact phenomenon by a metal foreign material, which can compare a result measured by a photographed image and an acceleration sensor so as to find in what trajectory a metal foreign material flowed in from a hot leg in an inlet of a steam generator moves in a pressure vessel, and a method thereof. The apparatus comprises: a photographing means; a sensor means; and an analysis means. COPYRIGHT KIPO 2017 ...

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Номер записи: 17
11-02-2019 дата публикации

압축센싱 기반 구조물 상태진단 시스템 및 그 방법

Номер: KR0101946631B1
Автор: 강토, 한순우, 박진호, 이정한, 박규해, 전준영
Принадлежит: 한국원자력연구원

... 본 발명은 압축센싱 기반 구조물 상태진단 시스템 및 그 방법에 관한 것으로서, 측정 대상물에 구비된 다수의 진동센서로부터 상기 측정 대상물에서 발생되는 진동을 측정하는 진동 측정 단계(S100), 상기 진동 측정 단계(S100)에서 측정된 측정값을 기설정된 압축센싱(Compressive sensing) 기법을 활용하여 압축센싱 신호(Compressive measurement)를 생성하는 압축센싱 단계(S200) 및 상기 압축센싱 단계(S200)에서 생성한 상기 압축센싱 신호를 분석하여 상기 측정 대상물의 상태진단을 수행하는 상태진단 단계(S300)를 포함하는 압축센싱 기반 구조물 상태진단 방법에 관한 것이다.

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Номер записи: 18
27-04-2018 дата публикации

COMPRESSIVE SENSING BASED STRUCTURE STATE DIAGNOSIS SYSTEM AND METHOD THEREOF

Номер: KR1020180042897A
Автор: KANG, TO, HAN, SOON WOO, PARK, JIN HO, LEE, JEONG HAN, PARK, GYU HAE, JEON, JUN YOUNG
Принадлежит:

The present invention relates to a compressive sensing based structure state diagnosis system capable of effectively diagnosing a state of a rotary device, and a method thereof. According to the present invention, the method comprises: a vibration measurement step (S100) of measuring vibration generated in an object to be measured from a plurality of vibration sensors installed in the object to be measured; a compressive sensing step (S200) of using a preset compressive sensing method to a measurement value measured in the vibration measurement step (S100) to generate a compressive measurement signal; and a state diagnosis step (S300) of analyzing the compressive measurement signal generated in the compressive sensing step (S200) to perform a state diagnosis for the object to be measured. COPYRIGHT KIPO 2018 (S100) Measure vibration (S200) Generate a compressive sensing signal (S310) Use quantitative signal characteristics to analyze damage (S320) Use an ROC linearity analysis method to ...

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Номер записи: 19